Whitespace only text nodes need to be reattached when their siblings are reattached

Source/core/dom/Node.h

Index: Source/core/dom/Node.h
diff --git a/Source/core/dom/Node.h b/Source/core/dom/Node.h
index ac3ec23b710d1370dad7e1df8b99e3faefbc7715..85bfa71da25847ba14dcaa8f486528d60eb1eda2 100644
--- a/Source/core/dom/Node.h
+++ b/Source/core/dom/Node.h
@@ -561,6 +561,8 @@ public:
     void reattach(const AttachContext& = AttachContext());
     void lazyReattachIfAttached();
 
+    void reattachWhitespaceSiblings() const;
+
     // Wrapper for nodes that don't have a renderer, but still cache the style (like HTMLOptionElement).
     RenderStyle* renderStyle() const;
     RenderStyle* parentRenderStyle() const;